# This file is part of NIT ( http://www.nitlanguage.org ).
#
-# Copyright 2008-2009 Jean Privat <jean@pryen.org>
-# Copyright 2009 Jean-Sebastien Gelinas <calestar@gmail.com>
-#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# AST nodes of the Nit language
# Was previously based on parser_abs.nit.
-package parser_nodes
+module parser_nodes
import location
-# Root of the AST hierarchy
+# Root of the AST class-hierarchy
abstract class ANode
- var _location: nullable Location
- # Location is set during AST building. Once built, location cannon be null
- # However, manual instanciated nodes may need mode care
+ var _location: nullable Location = null
+
+ # Location is set during AST building. Once built, location cannon be null.
+ # However, manual instantiated nodes may need more care.
fun location: Location do return _location.as(not null)
+
# The location of the important part of the node (identifier or whatever)
fun hot_location: Location do return location
+
+ # Display a message for the colored location of the node
+ fun debug(message: String)
+ do
+ sys.stderr.write "{hot_location} {self.class_name}: {message}\n{hot_location.colored_line("0;32")}\n"
+ end
+
+ # Parent of the node in the AST
+ var parent: nullable ANode = null
+
+ # The topmost ancestor of the element
+ # This just apply `parent` until the first one
+ fun root: ANode
+ do
+ var res = self
+ loop
+ var p = res.parent
+ if p == null then return res
+ res = p
+ end
+ end
+
+ # The most specific common parent between `self` and `other`
+ # Return null if the two node are unrelated (distinct root)
+ fun common_parent(other: ANode): nullable ANode
+ do
+ # First, get the same depth
+ var s: nullable ANode = self
+ var o: nullable ANode = other
+ var d = s.depth - o.depth
+ while d > 0 do
+ s = s.parent
+ d -= 1
+ end
+ while d < 0 do
+ o = o.parent
+ d += 1
+ end
+ assert o.depth == s.depth
+ # Second, go up until same in found
+ while s != o do
+ s = s.parent
+ o = o.parent
+ end
+ return s
+ end
+
+ # Number of nodes between `self` and the `root` of the AST
+ # ENSURE `self == self.root implies result == 0 `
+ # ENSURE `self != self.root implies result == self.parent.depth + 1`
+ fun depth: Int
+ do
+ var n = self
+ var res = 0
+ loop
+ var p = n.parent
+ if p == null then return res
+ n = p
+ res += 1
+ end
+ end
+
+ # Protect from invalid instantiation of nodes
+ private init do end
+
+ # Replace a child with an other node in the AST
+ private fun replace_child(old_child: ANode, new_child: nullable ANode) is abstract
+
+ # Detach a node from its parent
+ # Aborts if the node is not detashable. use `replace_with` instead
+ # REQUIRE: parent != null
+ # REQUIRE: is_detachable
+ # ENDURE: parent == null
+ fun detach
+ do
+ assert parent != null
+ parent.replace_child(self, null)
+ parent = null
+ end
+
+ # Replace itself with an other node in the AST
+ # REQUIRE: parent != null
+ # ENSURE: node.parent == old(parent)
+ # ENSURE: parent == null
+ fun replace_with(node: ANode)
+ do
+ assert parent != null
+ parent.replace_child(self, node)
+ parent = null
+ end
+
+ # Visit all nodes in order.
+ # Thus, call `v.enter_visit(e)` for each child `e`
+ fun visit_all(v: Visitor) is abstract
+end
+
+# A sequence of nodes
+# There is a specifc class (instead of a using Array) to track the parent/child relation when nodes are added or removed
+class ANodes[E: ANode]
+ super Sequence[E]
+ private var parent: ANode
+ private var items = new Array[E]
+ redef fun iterator do return items.iterator
+ redef fun length do return items.length
+ redef fun is_empty do return items.is_empty
+ redef fun push(e)
+ do
+ hook_add(e)
+ items.push(e)
+ end
+ redef fun pop
+ do
+ var res = items.pop
+ hook_remove(res)
+ return res
+ end
+ redef fun unshift(e)
+ do
+ hook_add(e)
+ items.unshift(e)
+ end
+ redef fun shift
+ do
+ var res = items.shift
+ hook_remove(res)
+ return res
+ end
+ redef fun has(e)
+ do
+ return items.has(e)
+ end
+ redef fun [](index)
+ do
+ return items[index]
+ end
+ redef fun []=(index, e)
+ do
+ hook_remove(self[index])
+ hook_add(e)
+ items[index]=e
+ end
+ redef fun remove_at(index)
+ do
+ hook_remove(items[index])
+ items.remove_at(index)
+ end
+ private fun hook_add(e: E)
+ do
+ #assert e.parent == null
+ e.parent = parent
+ end
+ private fun hook_remove(e: E)
+ do
+ assert e.parent == parent
+ e.parent = null
+ end
+
+ # Used in parent contructor to fill elements
+ private fun unsafe_add_all(nodes: Collection[Object])
+ do
+ var parent = self.parent
+ for n in nodes do
+ assert n isa E
+ add n
+ n.parent = parent
+ end
+ end
+
+ private fun replace_child(old_child: ANode, new_child: nullable ANode): Bool
+ do
+ var parent = self.parent
+ for i in [0..length[ do
+ if self[i] == old_child then
+ if new_child != null then
+ assert new_child isa E
+ self[i] = new_child
+ new_child.parent = parent
+ else
+ self.remove_at(i)
+ end
+ return true
+ end
+ end
+ return false
+ end
+
+ private fun visit_all(v: Visitor)
+ do
+ for n in self do v.enter_visit(n)
+ end
end
# Ancestor of all tokens
+# A token is a node that has a `text` but no children.
abstract class Token
super ANode
+
+ # The raw content on the token
fun text: String is abstract
+ fun text=(text: String) is abstract
+
+ # The previous token in the Lexer.
+ # May have disapeared in the AST
+ var prev_token: nullable Token = null
+
+ # The next token in the Lexer.
+ # May have disapeared in the AST
+ var next_token: nullable Token = null
+
+ # The verbatim blank text between `prev_token` and `self`
+ fun blank_before: String
+ do
+ if prev_token == null then return ""
+ var from = prev_token.location.pend+1
+ var to = location.pstart
+ return location.file.string.substring(from,to-from)
+ end
redef fun to_s: String do
return "'{text}'"
end
+
+ redef fun visit_all(v: Visitor) do end
+ redef fun replace_child(old_child: ANode, new_child: nullable ANode) do end
+end
+
+redef class SourceFile
+ # The first token parser by the lexer
+ # May have disapeared in the final AST
+ var first_token: nullable Token = null
+
+ # The first token parser by the lexer
+ # May have disapeared in the final AST
+ var last_token: nullable Token = null
end
# Ancestor of all productions
+# A production is a node without text but that usually has children.
abstract class Prod
super ANode
+
fun location=(l: Location) do _location = l
+
+ # All the annotations attached directly to the node
+ var _n_annotations: nullable AAnnotations = null
+ fun n_annotations: nullable AAnnotations do return _n_annotations
+ fun n_annotations=(n_annotations: nullable AAnnotations) do _n_annotations = n_annotations
+
+ redef fun replace_with(n: ANode)
+ do
+ super
+ assert n isa Prod
+ if n._location == null then n._location = _location
+ end
+end
+
+# Abstract standard visitor on the AST
+abstract class Visitor
+ # What the visitor do when a node is visited
+ # Concrete visitors should implement this method.
+ # @toimplement
+ protected fun visit(e: ANode) is abstract
+
+ # Ask the visitor to visit a given node.
+ # Usually automatically called by visit_all* methods.
+ # This method should not be redefined
+ fun enter_visit(e: nullable ANode)
+ do
+ if e == null then return
+ var old = _current_node
+ _current_node = e
+ visit(e)
+ _current_node = old
+ end
+
+ # The current visited node
+ var _current_node: nullable ANode = null
+ fun current_node: nullable ANode do return _current_node
+ fun current_node=(current_node: nullable ANode) do _current_node = current_node
end
+
+# Token of end of line (basically `\n`)
class TEol
super Token
redef fun to_s
return "end of line"
end
end
+
+# Token of a line of comments
+# Starts with the `#` and contains the final end-of-line (if any)
class TComment
super Token
end
-class TokenKeyword
+
+# A token associated with a keyword
+abstract class TokenKeyword
super Token
redef fun to_s
do
return "keyword '{text}'"
end
end
+class TKwpackage
+ super TokenKeyword
+end
class TKwmodule
super TokenKeyword
end
class TKwenum
super TokenKeyword
end
-class TKwspecial
- super TokenKeyword
-end
class TKwend
super TokenKeyword
end
class TKwextern
super TokenKeyword
end
+class TKwpublic
+ super TokenKeyword
+end
class TKwprotected
super TokenKeyword
end
class TKwor
super TokenKeyword
end
+class TKwimplies
+ super TokenKeyword
+end
class TKwnot
super TokenKeyword
end
class TKwlabel
super TokenKeyword
end
+class TKwdebug
+ super Token
+end
class TOpar
super Token
end
class TAssign
super Token
end
-class TokenOperator
+
+# A token associated with an operator (and other lookalike symbols)
+abstract class TokenOperator
super Token
redef fun to_s
do
super TokenOperator
end
class TDotdotdot
- super TokenOperator
+ super Token
end
class TDotdot
- super TokenOperator
+ super Token
end
class TDot
- super TokenOperator
+ super Token
end
class TPlus
super TokenOperator
class TBang
super TokenOperator
end
+class TAt
+ super Token
+end
+
+# A class (or formal type) identifier. They start with an uppercase.
class TClassid
super Token
redef fun to_s
do return "type identifier '{text}'"
end
end
+
+# A standard identifier (variable, method...). They start with a lowercase.
class TId
super Token
redef fun to_s
do return "identifier '{text}'"
end
end
+
+# An attribute identifier. They start with an underscore.
class TAttrid
super Token
redef fun to_s
do return "attribute '{text}'"
end
end
-class TokenLiteral
+
+# A token of a literal value (string, integer, etc).
+abstract class TokenLiteral
super Token
redef fun to_s
do
class TNumber
super TokenLiteral
end
+class THexNumber
+ super TokenLiteral
+end
class TFloat
super TokenLiteral
end
super TokenLiteral
end
class TEndString
- super Token
+ super TokenLiteral
end
+
+# A malformed string
class TBadString
super Token
redef fun to_s
do return "malformed string {text}"
end
end
+
+# A malformed char
class TBadChar
super Token
redef fun to_s
do return "malformed character {text}"
end
end
+
+class TExternCodeSegment
+ super Token
+end
+
+# A end of file
class EOF
super Token
-private init noinit do end
redef fun to_s
do
return "end of file"
end
end
+
+# A mark of an error
class AError
super EOF
-private init noinit do end
+end
+class ALexerError
+ super AError
+end
+class AParserError
+ super AError
end
+# The main node of a Nit source-file
class AModule
super Prod
- readable var _n_moduledecl: nullable AModuledecl = null
- readable var _n_imports: List[AImport] = new List[AImport]
- readable var _n_classdefs: List[AClassdef] = new List[AClassdef]
+
+ var _n_moduledecl: nullable AModuledecl = null
+ fun n_moduledecl: nullable AModuledecl do return _n_moduledecl
+ fun n_moduledecl=(n_moduledecl: nullable AModuledecl) do _n_moduledecl = n_moduledecl
+ var n_imports: ANodes[AImport] = new ANodes[AImport](self)
+ var n_extern_code_blocks: ANodes[AExternCodeBlock] = new ANodes[AExternCodeBlock](self)
+ var n_classdefs: ANodes[AClassdef] = new ANodes[AClassdef](self)
+ init do end
end
+
+# The declaration of the module with the documentation, name, and annotations
class AModuledecl
super Prod
- readable var _n_doc: nullable ADoc = null
- readable var _n_kwmodule: TKwmodule
- readable var _n_name: AModuleName
+ var _n_doc: nullable ADoc = null
+ fun n_doc: nullable ADoc do return _n_doc
+ fun n_doc=(n_doc: nullable ADoc) do _n_doc = n_doc
+ var _n_kwmodule: TKwmodule
+ fun n_kwmodule: TKwmodule do return _n_kwmodule
+ fun n_kwmodule=(n_kwmodule: TKwmodule) do _n_kwmodule = n_kwmodule
+ var _n_name: AModuleName
+ fun n_name: AModuleName do return _n_name
+ fun n_name=(n_name: AModuleName) do _n_name = n_name
+ init do end
end
-class AImport super Prod end
+
+# A import clause of a module
+abstract class AImport
+ super Prod
+end
+
+# A standard import clause. eg `import x`
class AStdImport
super AImport
- readable var _n_visibility: AVisibility
- readable var _n_kwimport: TKwimport
- readable var _n_name: AModuleName
+ var _n_visibility: AVisibility
+ fun n_visibility: AVisibility do return _n_visibility
+ fun n_visibility=(n_visibility: AVisibility) do _n_visibility = n_visibility
+ var _n_kwimport: TKwimport
+ fun n_kwimport: TKwimport do return _n_kwimport
+ fun n_kwimport=(n_kwimport: TKwimport) do _n_kwimport = n_kwimport
+ var _n_name: AModuleName
+ fun n_name: AModuleName do return _n_name
+ fun n_name=(n_name: AModuleName) do _n_name = n_name
+ init do end
end
+
+# The special import clause of the kernel module. eg `import end`
class ANoImport
super AImport
- readable var _n_visibility: AVisibility
- readable var _n_kwimport: TKwimport
- readable var _n_kwend: TKwend
+ var _n_visibility: AVisibility
+ fun n_visibility: AVisibility do return _n_visibility
+ fun n_visibility=(n_visibility: AVisibility) do _n_visibility = n_visibility
+ var _n_kwimport: TKwimport
+ fun n_kwimport: TKwimport do return _n_kwimport
+ fun n_kwimport=(n_kwimport: TKwimport) do _n_kwimport = n_kwimport
+ var _n_kwend: TKwend
+ fun n_kwend: TKwend do return _n_kwend
+ fun n_kwend=(n_kwend: TKwend) do _n_kwend = n_kwend
+ init do end
+end
+
+# A visibility modifier
+#
+# The public visibility is an empty production (no keyword).
+#
+# Note: even if some visibilities are only valid on some placse (for instance, no `protected` class or no `intrude` method)
+# the parser has no such a restriction, therefore the semantic phases has to check that the visibilities make sense.
+abstract class AVisibility
+ super Prod
end
-class AVisibility super Prod end
class APublicVisibility
super AVisibility
end
class APrivateVisibility
super AVisibility
- readable var _n_kwprivate: TKwprivate
+ var _n_kwprivate: TKwprivate
+ fun n_kwprivate: TKwprivate do return _n_kwprivate
+ fun n_kwprivate=(n_kwprivate: TKwprivate) do _n_kwprivate = n_kwprivate
+ init do end
end
class AProtectedVisibility
super AVisibility
- readable var _n_kwprotected: TKwprotected
+ var _n_kwprotected: TKwprotected
+ fun n_kwprotected: TKwprotected do return _n_kwprotected
+ fun n_kwprotected=(n_kwprotected: TKwprotected) do _n_kwprotected = n_kwprotected
+ init do end
end
class AIntrudeVisibility
super AVisibility
- readable var _n_kwintrude: TKwintrude
+ var _n_kwintrude: TKwintrude
+ fun n_kwintrude: TKwintrude do return _n_kwintrude
+ fun n_kwintrude=(n_kwintrude: TKwintrude) do _n_kwintrude = n_kwintrude
+ init do end
end
-class AClassdef super Prod end
+
+# A class definition
+# While most definition are `AStdClassdef`
+# There is tow special case of class definition
+abstract class AClassdef
+ super Prod
+ var n_propdefs: ANodes[APropdef] = new ANodes[APropdef](self)
+ init do end
+end
+
+# A standard class definition with a name, superclasses and properties
class AStdClassdef
super AClassdef
- readable var _n_doc: nullable ADoc = null
- readable var _n_kwredef: nullable TKwredef = null
- readable var _n_visibility: AVisibility
- readable var _n_classkind: AClasskind
- readable var _n_id: nullable TClassid = null
- readable var _n_formaldefs: List[AFormaldef] = new List[AFormaldef]
- readable var _n_superclasses: List[ASuperclass] = new List[ASuperclass]
- readable var _n_propdefs: List[APropdef] = new List[APropdef]
- readable var _n_kwend: TKwend
- redef fun hot_location do return n_id.location
+ var _n_doc: nullable ADoc = null
+ fun n_doc: nullable ADoc do return _n_doc
+ fun n_doc=(n_doc: nullable ADoc) do _n_doc = n_doc
+ var _n_kwredef: nullable TKwredef = null
+ fun n_kwredef: nullable TKwredef do return _n_kwredef
+ fun n_kwredef=(n_kwredef: nullable TKwredef) do _n_kwredef = n_kwredef
+ var _n_visibility: AVisibility
+ fun n_visibility: AVisibility do return _n_visibility
+ fun n_visibility=(n_visibility: AVisibility) do _n_visibility = n_visibility
+ var _n_classkind: AClasskind
+ fun n_classkind: AClasskind do return _n_classkind
+ fun n_classkind=(n_classkind: AClasskind) do _n_classkind = n_classkind
+ var _n_id: nullable TClassid = null
+ fun n_id: nullable TClassid do return _n_id
+ fun n_id=(n_id: nullable TClassid) do _n_id = n_id
+ var n_formaldefs: ANodes[AFormaldef] = new ANodes[AFormaldef](self)
+ var _n_extern_code_block: nullable AExternCodeBlock = null
+ fun n_extern_code_block: nullable AExternCodeBlock do return _n_extern_code_block
+ fun n_extern_code_block=(n_extern_code_block: nullable AExternCodeBlock) do _n_extern_code_block = n_extern_code_block
+ var n_superclasses: ANodes[ASuperclass] = new ANodes[ASuperclass](self)
+ var _n_kwend: TKwend
+ fun n_kwend: TKwend do return _n_kwend
+ fun n_kwend=(n_kwend: TKwend) do _n_kwend = n_kwend
+ redef fun hot_location do return n_id.location
+ init do end
end
+
+# The implicit class definition of the implicit main method
class ATopClassdef
super AClassdef
- readable var _n_propdefs: List[APropdef] = new List[APropdef]
end
+
+# The implicit class definition of the top-level methods
class AMainClassdef
super AClassdef
- readable var _n_propdefs: List[APropdef] = new List[APropdef]
end
-class AClasskind super Prod end
+
+# The modifier for the kind of class (abstract, interface, etc.)
+abstract class AClasskind
+ super Prod
+end
class AConcreteClasskind
super AClasskind
- readable var _n_kwclass: TKwclass
+ var _n_kwclass: TKwclass
+ fun n_kwclass: TKwclass do return _n_kwclass
+ fun n_kwclass=(n_kwclass: TKwclass) do _n_kwclass = n_kwclass
+ init do end
end
class AAbstractClasskind
super AClasskind
- readable var _n_kwabstract: TKwabstract
- readable var _n_kwclass: TKwclass
+ var _n_kwabstract: TKwabstract
+ fun n_kwabstract: TKwabstract do return _n_kwabstract
+ fun n_kwabstract=(n_kwabstract: TKwabstract) do _n_kwabstract = n_kwabstract
+ var _n_kwclass: TKwclass
+ fun n_kwclass: TKwclass do return _n_kwclass
+ fun n_kwclass=(n_kwclass: TKwclass) do _n_kwclass = n_kwclass
+ init do end
end
class AInterfaceClasskind
super AClasskind
- readable var _n_kwinterface: TKwinterface
+ var _n_kwinterface: TKwinterface
+ fun n_kwinterface: TKwinterface do return _n_kwinterface
+ fun n_kwinterface=(n_kwinterface: TKwinterface) do _n_kwinterface = n_kwinterface
+ init do end
end
class AEnumClasskind
super AClasskind
- readable var _n_kwenum: TKwenum
+ var _n_kwenum: TKwenum
+ fun n_kwenum: TKwenum do return _n_kwenum
+ fun n_kwenum=(n_kwenum: TKwenum) do _n_kwenum = n_kwenum
+ init do end
end
class AExternClasskind
- super AClasskind
- readable var _n_kwextern: TKwextern
+ super AClasskind
+ var _n_kwextern: TKwextern
+ fun n_kwextern: TKwextern do return _n_kwextern
+ fun n_kwextern=(n_kwextern: TKwextern) do _n_kwextern = n_kwextern
+ var _n_kwclass: nullable TKwclass = null
+ fun n_kwclass: nullable TKwclass do return _n_kwclass
+ fun n_kwclass=(n_kwclass: nullable TKwclass) do _n_kwclass = n_kwclass
+ init do end
end
+
+# The definition of a formal generic parameter type. eg `X: Y`
class AFormaldef
super Prod
- readable var _n_id: TClassid
- readable var _n_type: nullable AType = null
+ var _n_id: TClassid
+ fun n_id: TClassid do return _n_id
+ fun n_id=(n_id: TClassid) do _n_id = n_id
+ # The bound of the parameter type
+ var _n_type: nullable AType = null
+ fun n_type: nullable AType do return _n_type
+ fun n_type=(n_type: nullable AType) do _n_type = n_type
+ init do end
end
+
+# A super-class. eg `super X`
class ASuperclass
super Prod
- readable var _n_kwspecial: nullable TKwspecial = null
- readable var _n_kwsuper: nullable TKwsuper = null
- readable var _n_type: AType
+ var _n_kwsuper: TKwsuper
+ fun n_kwsuper: TKwsuper do return _n_kwsuper
+ fun n_kwsuper=(n_kwsuper: TKwsuper) do _n_kwsuper = n_kwsuper
+ var _n_type: AType
+ fun n_type: AType do return _n_type
+ fun n_type=(n_type: AType) do _n_type = n_type
+ init do end
end
-class APropdef super Prod
- readable var _n_doc: nullable ADoc = null
+
+# The definition of a property
+abstract class APropdef
+ super Prod
+ var _n_doc: nullable ADoc = null
+ fun n_doc: nullable ADoc do return _n_doc
+ fun n_doc=(n_doc: nullable ADoc) do _n_doc = n_doc
+ var _n_kwredef: nullable TKwredef = null
+ fun n_kwredef: nullable TKwredef do return _n_kwredef
+ fun n_kwredef=(n_kwredef: nullable TKwredef) do _n_kwredef = n_kwredef
+ var _n_visibility: nullable AVisibility = null
+ fun n_visibility: nullable AVisibility do return _n_visibility
+ fun n_visibility=(n_visibility: nullable AVisibility) do _n_visibility = n_visibility
end
+
+# A definition of an attribute
+# For historical reason, old-syle and new-style attributes use the same `ANode` sub-class
class AAttrPropdef
super APropdef
- readable var _n_kwredef: nullable TKwredef = null
- readable var _n_visibility: AVisibility
- readable var _n_kwvar: TKwvar
- readable var _n_id: nullable TAttrid
- readable var _n_id2: nullable TId
- readable var _n_type: nullable AType = null
- readable var _n_readable: nullable AAble = null
- readable var _n_writable: nullable AAble = null
- readable var _n_expr: nullable AExpr = null
- redef fun hot_location
- do
- if n_id != null then return n_id.location else return n_id2.location
- end
-end
-class AMethPropdef
+ var _n_kwvar: TKwvar
+ fun n_kwvar: TKwvar do return _n_kwvar
+ fun n_kwvar=(n_kwvar: TKwvar) do _n_kwvar = n_kwvar
+
+ # The identifier for an old-style attribute (null if new-style)
+ var _n_id: nullable TAttrid
+ fun n_id: nullable TAttrid do return _n_id
+ fun n_id=(n_id: nullable TAttrid) do _n_id = n_id
+
+ # The identifier for a new-style attribute (null if old-style)
+ var _n_id2: nullable TId
+ fun n_id2: nullable TId do return _n_id2
+ fun n_id2=(n_id2: nullable TId) do _n_id2 = n_id2
+
+ var _n_type: nullable AType = null
+ fun n_type: nullable AType do return _n_type
+ fun n_type=(n_type: nullable AType) do _n_type = n_type
+ var _n_readable: nullable AAble = null
+ fun n_readable: nullable AAble do return _n_readable
+ fun n_readable=(n_readable: nullable AAble) do _n_readable = n_readable
+ var _n_writable: nullable AAble = null
+ fun n_writable: nullable AAble do return _n_writable
+ fun n_writable=(n_writable: nullable AAble) do _n_writable = n_writable
+
+ # The initial value, if any
+ var _n_expr: nullable AExpr = null
+ fun n_expr: nullable AExpr do return _n_expr
+ fun n_expr=(n_expr: nullable AExpr) do _n_expr = n_expr
+ redef fun hot_location
+ do
+ if n_id != null then return n_id.location else return n_id2.location
+ end
+ init do end
+end
+
+# A definition of all kind of method (including constructors)
+abstract class AMethPropdef
super APropdef
- readable var _n_kwredef: nullable TKwredef = null
- readable var _n_visibility: nullable AVisibility
- readable var _n_methid: nullable AMethid = null
- readable var _n_signature: nullable ASignature
- redef fun hot_location
- do
- if n_methid != null then
- return n_methid.location
- else
- return location
- end
- end
+ var _n_kwmeth: nullable TKwmeth = null
+ fun n_kwmeth: nullable TKwmeth do return _n_kwmeth
+ fun n_kwmeth=(n_kwmeth: nullable TKwmeth) do _n_kwmeth = n_kwmeth
+ var _n_kwinit: nullable TKwinit = null
+ fun n_kwinit: nullable TKwinit do return _n_kwinit
+ fun n_kwinit=(n_kwinit: nullable TKwinit) do _n_kwinit = n_kwinit
+ var _n_kwnew: nullable TKwnew = null
+ fun n_kwnew: nullable TKwnew do return _n_kwnew
+ fun n_kwnew=(n_kwnew: nullable TKwnew) do _n_kwnew = n_kwnew
+ var _n_methid: nullable AMethid = null
+ fun n_methid: nullable AMethid do return _n_methid
+ fun n_methid=(n_methid: nullable AMethid) do _n_methid = n_methid
+ var _n_signature: nullable ASignature = null
+ fun n_signature: nullable ASignature do return _n_signature
+ fun n_signature=(n_signature: nullable ASignature) do _n_signature = n_signature
+ var _n_block: nullable AExpr = null
+ fun n_block: nullable AExpr do return _n_block
+ fun n_block=(n_block: nullable AExpr) do _n_block = n_block
+ var _n_extern: nullable TString = null
+ fun n_extern: nullable TString do return _n_extern
+ fun n_extern=(n_extern: nullable TString) do _n_extern = n_extern
+ var _n_extern_calls: nullable AExternCalls = null
+ fun n_extern_calls: nullable AExternCalls do return _n_extern_calls
+ fun n_extern_calls=(n_extern_calls: nullable AExternCalls) do _n_extern_calls = n_extern_calls
+ var _n_extern_code_block: nullable AExternCodeBlock = null
+ fun n_extern_code_block: nullable AExternCodeBlock do return _n_extern_code_block
+ fun n_extern_code_block=(n_extern_code_block: nullable AExternCodeBlock) do _n_extern_code_block = n_extern_code_block
+ redef fun hot_location
+ do
+ if n_methid != null then
+ return n_methid.location
+ else if n_kwinit != null then
+ return n_kwinit.location
+ else if n_kwnew != null then
+ return n_kwnew.location
+ else
+ return location
+ end
+ end
end
+
+# A method marked abstract
+# *deferred* is a old synonynmous of *abstract* that comes from PRM, that comes from Eiffel.
class ADeferredMethPropdef
super AMethPropdef
- readable var _n_kwmeth: TKwmeth
end
+
+# A method marked intern
class AInternMethPropdef
super AMethPropdef
- readable var _n_kwmeth: TKwmeth
end
-class AExternPropdef
+
+# A method of a constructor marked extern
+abstract class AExternPropdef
super AMethPropdef
- readable var _n_extern: nullable TString = null
- readable var _n_extern_calls: nullable AExternCalls = null
end
+
+# A method marked extern
class AExternMethPropdef
- super AMethPropdef
super AExternPropdef
- readable var _n_kwmeth: TKwmeth
end
+
+# A method with a body
class AConcreteMethPropdef
super AMethPropdef
- readable var _n_kwmeth: nullable TKwmeth
- readable var _n_block: nullable AExpr = null
end
-class AInitPropdef
+
+# A constructor
+abstract class AInitPropdef
+ super AMethPropdef
end
+
+# A constructor with a body
class AConcreteInitPropdef
super AConcreteMethPropdef
super AInitPropdef
- init do end
- readable var _n_kwinit: TKwinit
- redef fun hot_location do return n_kwinit.location
end
+
+class AInternNewPropdef
+ super AInternMethPropdef
+ super AInitPropdef
+end
+
+# A constructor marked extern (defined with the `new` keyword)
class AExternInitPropdef
super AExternPropdef
super AInitPropdef
- init do end
- readable var _n_kwnew: TKwnew
end
+
+# The implicit main method
class AMainMethPropdef
super AConcreteMethPropdef
end
+
+# Declaration of callbacks for extern methods
class AExternCalls
super Prod
- readable var _n_kwimport: TKwimport
- readable var _n_extern_calls: List[AExternCall] = new List[AExternCall]
+ var _n_kwimport: TKwimport
+ fun n_kwimport: TKwimport do return _n_kwimport
+ fun n_kwimport=(n_kwimport: TKwimport) do _n_kwimport = n_kwimport
+ var n_extern_calls: ANodes[AExternCall] = new ANodes[AExternCall](self)
+ init do end
end
-class AExternCall
+abstract class AExternCall
super Prod
end
-class APropExternCall
-special AExternCall
+abstract class APropExternCall
+ super AExternCall
end
class ALocalPropExternCall
-special APropExternCall
- readable var _n_methid: AMethid
+ super APropExternCall
+ var _n_methid: AMethid
+ fun n_methid: AMethid do return _n_methid
+ fun n_methid=(n_methid: AMethid) do _n_methid = n_methid
+ init do end
end
class AFullPropExternCall
-special APropExternCall
- readable var _n_classid: TClassid
- readable var _n_quad: nullable TQuad = null
- readable var _n_methid: AMethid
+ super APropExternCall
+ var _n_type: AType
+ fun n_type: AType do return _n_type
+ fun n_type=(n_type: AType) do _n_type = n_type
+ var _n_dot: nullable TDot = null
+ fun n_dot: nullable TDot do return _n_dot
+ fun n_dot=(n_dot: nullable TDot) do _n_dot = n_dot
+ var _n_methid: AMethid
+ fun n_methid: AMethid do return _n_methid
+ fun n_methid=(n_methid: AMethid) do _n_methid = n_methid
+ init do end
end
class AInitPropExternCall
-special APropExternCall
- readable var _n_classid: TClassid
+ super APropExternCall
+ var _n_type: AType
+ fun n_type: AType do return _n_type
+ fun n_type=(n_type: AType) do _n_type = n_type
+ init do end
end
class ASuperExternCall
-special AExternCall
- readable var _n_kwsuper: TKwsuper
+ super AExternCall
+ var _n_kwsuper: TKwsuper
+ fun n_kwsuper: TKwsuper do return _n_kwsuper
+ fun n_kwsuper=(n_kwsuper: TKwsuper) do _n_kwsuper = n_kwsuper
+ init do end
end
-class ACastExternCall
-special AExternCall
+abstract class ACastExternCall
+ super AExternCall
end
class ACastAsExternCall
-special ACastExternCall
- readable var _n_from_type: AType
- readable var _n_kwas: TKwas
- readable var _n_to_type: AType
+ super ACastExternCall
+ var _n_from_type: AType
+ fun n_from_type: AType do return _n_from_type
+ fun n_from_type=(n_from_type: AType) do _n_from_type = n_from_type
+ var _n_dot: nullable TDot = null
+ fun n_dot: nullable TDot do return _n_dot
+ fun n_dot=(n_dot: nullable TDot) do _n_dot = n_dot
+ var _n_kwas: TKwas
+ fun n_kwas: TKwas do return _n_kwas
+ fun n_kwas=(n_kwas: TKwas) do _n_kwas = n_kwas
+ var _n_to_type: AType
+ fun n_to_type: AType do return _n_to_type
+ fun n_to_type=(n_to_type: AType) do _n_to_type = n_to_type
+ init do end
end
class AAsNullableExternCall
-special ACastExternCall
- readable var _n_type: AType
- readable var _n_kwas: TKwas
- readable var _n_kwnullable: TKwnullable
+ super ACastExternCall
+ var _n_type: AType
+ fun n_type: AType do return _n_type
+ fun n_type=(n_type: AType) do _n_type = n_type
+ var _n_kwas: TKwas
+ fun n_kwas: TKwas do return _n_kwas
+ fun n_kwas=(n_kwas: TKwas) do _n_kwas = n_kwas
+ var _n_kwnullable: TKwnullable
+ fun n_kwnullable: TKwnullable do return _n_kwnullable
+ fun n_kwnullable=(n_kwnullable: TKwnullable) do _n_kwnullable = n_kwnullable
+ init do end
end
class AAsNotNullableExternCall
-special ACastExternCall
- readable var _n_type: AType
- readable var _n_kwas: TKwas
- readable var _n_kwnot: TKwnot
- readable var _n_kwnullable: TKwnullable
+ super ACastExternCall
+ var _n_type: AType
+ fun n_type: AType do return _n_type
+ fun n_type=(n_type: AType) do _n_type = n_type
+ var _n_kwas: TKwas
+ fun n_kwas: TKwas do return _n_kwas
+ fun n_kwas=(n_kwas: TKwas) do _n_kwas = n_kwas
+ var _n_kwnot: TKwnot
+ fun n_kwnot: TKwnot do return _n_kwnot
+ fun n_kwnot=(n_kwnot: TKwnot) do _n_kwnot = n_kwnot
+ var _n_kwnullable: TKwnullable
+ fun n_kwnullable: TKwnullable do return _n_kwnullable
+ fun n_kwnullable=(n_kwnullable: TKwnullable) do _n_kwnullable = n_kwnullable
+ init do end
end
+
+# A definition of a virtual type
class ATypePropdef
super APropdef
- readable var _n_kwredef: nullable TKwredef = null
- readable var _n_visibility: AVisibility
- readable var _n_kwtype: TKwtype
- readable var _n_id: TClassid
- readable var _n_type: AType
+ var _n_kwtype: TKwtype
+ fun n_kwtype: TKwtype do return _n_kwtype
+ fun n_kwtype=(n_kwtype: TKwtype) do _n_kwtype = n_kwtype
+ var _n_id: TClassid
+ fun n_id: TClassid do return _n_id
+ fun n_id=(n_id: TClassid) do _n_id = n_id
+ var _n_type: AType
+ fun n_type: AType do return _n_type
+ fun n_type=(n_type: AType) do _n_type = n_type
+ init do end
end
-class AAble super Prod
- readable var _n_visibility: nullable AVisibility = null
- readable var _n_kwredef: nullable TKwredef = null
+
+# A `writable` or `readable` modifier
+abstract class AAble
+ super Prod
+ var _n_visibility: nullable AVisibility = null
+ fun n_visibility: nullable AVisibility do return _n_visibility
+ fun n_visibility=(n_visibility: nullable AVisibility) do _n_visibility = n_visibility
+ var _n_kwredef: nullable TKwredef = null
+ fun n_kwredef: nullable TKwredef do return _n_kwredef
+ fun n_kwredef=(n_kwredef: nullable TKwredef) do _n_kwredef = n_kwredef
+ init do end
end
+
+# A `readable` modifier
class AReadAble
super AAble
- readable var _n_kwreadable: TKwreadable
+ var _n_kwreadable: TKwreadable
+ fun n_kwreadable: TKwreadable do return _n_kwreadable
+ fun n_kwreadable=(n_kwreadable: TKwreadable) do _n_kwreadable = n_kwreadable
+ init do end
end
+
+# A `writable` modifier
class AWriteAble
super AAble
- readable var _n_kwwritable: TKwwritable
+ var _n_kwwritable: TKwwritable
+ fun n_kwwritable: TKwwritable do return _n_kwwritable
+ fun n_kwwritable=(n_kwwritable: TKwwritable) do _n_kwwritable = n_kwwritable
+ init do end
+end
+
+# The identifier of a method in a method declaration.
+# There is a specific class because of operator and setters.
+abstract class AMethid
+ super Prod
end
-class AMethid super Prod end
class AIdMethid
super AMethid
- readable var _n_id: TId
+ var _n_id: TId
+ fun n_id: TId do return _n_id
+ fun n_id=(n_id: TId) do _n_id = n_id
+ init do end
end
class APlusMethid
super AMethid
- readable var _n_plus: TPlus
+ var _n_plus: TPlus
+ fun n_plus: TPlus do return _n_plus
+ fun n_plus=(n_plus: TPlus) do _n_plus = n_plus
+ init do end
end
class AMinusMethid
super AMethid
- readable var _n_minus: TMinus
+ var _n_minus: TMinus
+ fun n_minus: TMinus do return _n_minus
+ fun n_minus=(n_minus: TMinus) do _n_minus = n_minus
+ init do end
end
class AStarMethid
super AMethid
- readable var _n_star: TStar
+ var _n_star: TStar
+ fun n_star: TStar do return _n_star
+ fun n_star=(n_star: TStar) do _n_star = n_star
+ init do end
end
class ASlashMethid
super AMethid
- readable var _n_slash: TSlash
+ var _n_slash: TSlash
+ fun n_slash: TSlash do return _n_slash
+ fun n_slash=(n_slash: TSlash) do _n_slash = n_slash
+ init do end
end
class APercentMethid
super AMethid
- readable var _n_percent: TPercent
+ var _n_percent: TPercent
+ fun n_percent: TPercent do return _n_percent
+ fun n_percent=(n_percent: TPercent) do _n_percent = n_percent
+ init do end
end
class AEqMethid
super AMethid
- readable var _n_eq: TEq
+ var _n_eq: TEq
+ fun n_eq: TEq do return _n_eq
+ fun n_eq=(n_eq: TEq) do _n_eq = n_eq
+ init do end
end
class ANeMethid
super AMethid
- readable var _n_ne: TNe
+ var _n_ne: TNe
+ fun n_ne: TNe do return _n_ne
+ fun n_ne=(n_ne: TNe) do _n_ne = n_ne
+ init do end
end
class ALeMethid
super AMethid
- readable var _n_le: TLe
+ var _n_le: TLe
+ fun n_le: TLe do return _n_le
+ fun n_le=(n_le: TLe) do _n_le = n_le
+ init do end
end
class AGeMethid
super AMethid
- readable var _n_ge: TGe
+ var _n_ge: TGe
+ fun n_ge: TGe do return _n_ge
+ fun n_ge=(n_ge: TGe) do _n_ge = n_ge
+ init do end
end
class ALtMethid
super AMethid
- readable var _n_lt: TLt
+ var _n_lt: TLt
+ fun n_lt: TLt do return _n_lt
+ fun n_lt=(n_lt: TLt) do _n_lt = n_lt
+ init do end
end
class AGtMethid
super AMethid
- readable var _n_gt: TGt
+ var _n_gt: TGt
+ fun n_gt: TGt do return _n_gt
+ fun n_gt=(n_gt: TGt) do _n_gt = n_gt
+ init do end
end
class ALlMethid
super AMethid
- readable writable var _n_ll: TLl
+ var _n_ll: TLl
+ fun n_ll: TLl do return _n_ll
+ fun n_ll=(n_ll: TLl) do _n_ll = n_ll
+ init do end
end
class AGgMethid
super AMethid
- readable writable var _n_gg: TGg
+ var _n_gg: TGg
+ fun n_gg: TGg do return _n_gg
+ fun n_gg=(n_gg: TGg) do _n_gg = n_gg
+ init do end
end
class ABraMethid
super AMethid
- readable var _n_obra: TObra
- readable var _n_cbra: TCbra
+ var _n_obra: TObra
+ fun n_obra: TObra do return _n_obra
+ fun n_obra=(n_obra: TObra) do _n_obra = n_obra
+ var _n_cbra: TCbra
+ fun n_cbra: TCbra do return _n_cbra
+ fun n_cbra=(n_cbra: TCbra) do _n_cbra = n_cbra
+ init do end
end
class AStarshipMethid
super AMethid
- readable var _n_starship: TStarship
+ var _n_starship: TStarship
+ fun n_starship: TStarship do return _n_starship
+ fun n_starship=(n_starship: TStarship) do _n_starship = n_starship
+ init do end
end
class AAssignMethid
super AMethid
- readable var _n_id: TId
- readable var _n_assign: TAssign
+ var _n_id: TId
+ fun n_id: TId do return _n_id
+ fun n_id=(n_id: TId) do _n_id = n_id
+ var _n_assign: TAssign
+ fun n_assign: TAssign do return _n_assign
+ fun n_assign=(n_assign: TAssign) do _n_assign = n_assign
+ init do end
end
class ABraassignMethid
super AMethid
- readable var _n_obra: TObra
- readable var _n_cbra: TCbra
- readable var _n_assign: TAssign
+ var _n_obra: TObra
+ fun n_obra: TObra do return _n_obra
+ fun n_obra=(n_obra: TObra) do _n_obra = n_obra
+ var _n_cbra: TCbra
+ fun n_cbra: TCbra do return _n_cbra
+ fun n_cbra=(n_cbra: TCbra) do _n_cbra = n_cbra
+ var _n_assign: TAssign
+ fun n_assign: TAssign do return _n_assign
+ fun n_assign=(n_assign: TAssign) do _n_assign = n_assign
+ init do end
end
+
+# A signature in a method definition. eg `(x,y:X,z:Z):T`
class ASignature
super Prod
- readable var _n_params: List[AParam] = new List[AParam]
- readable var _n_type: nullable AType = null
- readable var _n_closure_decls: List[AClosureDecl] = new List[AClosureDecl]
+ var _n_opar: nullable TOpar = null
+ fun n_opar: nullable TOpar do return _n_opar
+ fun n_opar=(n_opar: nullable TOpar) do _n_opar = n_opar
+ var n_params: ANodes[AParam] = new ANodes[AParam](self)
+ var _n_cpar: nullable TCpar = null
+ fun n_cpar: nullable TCpar do return _n_cpar
+ fun n_cpar=(n_cpar: nullable TCpar) do _n_cpar = n_cpar
+ var _n_type: nullable AType = null
+ fun n_type: nullable AType do return _n_type
+ fun n_type=(n_type: nullable AType) do _n_type = n_type
+ init do end
end
+
+# A parameter definition in a signature. eg `x:X`
class AParam
super Prod
- readable var _n_id: TId
- readable var _n_type: nullable AType = null
- readable var _n_dotdotdot: nullable TDotdotdot = null
-end
-class AClosureDecl
- super Prod
- readable var _n_kwbreak: nullable TKwbreak = null
- readable var _n_bang: TBang
- readable var _n_id: TId
- readable var _n_signature: ASignature
- readable var _n_expr: nullable AExpr = null
+ var _n_id: TId
+ fun n_id: TId do return _n_id
+ fun n_id=(n_id: TId) do _n_id = n_id
+ var _n_type: nullable AType = null
+ fun n_type: nullable AType do return _n_type
+ fun n_type=(n_type: nullable AType) do _n_type = n_type
+ var _n_dotdotdot: nullable TDotdotdot = null
+ fun n_dotdotdot: nullable TDotdotdot do return _n_dotdotdot
+ fun n_dotdotdot=(n_dotdotdot: nullable TDotdotdot) do _n_dotdotdot = n_dotdotdot
+ init do end
end
+
+# A static type. eg `nullable X[Y]`
class AType
super Prod
- readable var _n_kwnullable: nullable TKwnullable = null
- readable var _n_id: TClassid
- readable var _n_types: List[AType] = new List[AType]
+ var _n_kwnullable: nullable TKwnullable = null
+ fun n_kwnullable: nullable TKwnullable do return _n_kwnullable
+ fun n_kwnullable=(n_kwnullable: nullable TKwnullable) do _n_kwnullable = n_kwnullable
+
+ # The name of the class or of the formal type
+ var _n_id: TClassid
+ fun n_id: TClassid do return _n_id
+ fun n_id=(n_id: TClassid) do _n_id = n_id
+
+ # Type arguments for a generic type
+ var n_types: ANodes[AType] = new ANodes[AType](self)
+ init do end
end
+
+# A label at the end of a block or in a break/continue statement. eg `label x`
class ALabel
super Prod
- readable var _n_kwlabel: TKwlabel
- readable var _n_id: TId
+ var _n_kwlabel: TKwlabel
+ fun n_kwlabel: TKwlabel do return _n_kwlabel
+ fun n_kwlabel=(n_kwlabel: TKwlabel) do _n_kwlabel = n_kwlabel
+ var _n_id: TId
+ fun n_id: TId do return _n_id
+ fun n_id=(n_id: TId) do _n_id = n_id
+ init do end
end
-class AExpr super Prod end
+
+# Expression and statements
+# From a AST point of view there is no distinction between statement and expressions (even if the parser has to distinguish them)
+abstract class AExpr
+ super Prod
+end
+
+# A sequence of AExpr (usually statements)
+# The last AExpr gives the value of the whole block
class ABlockExpr
super AExpr
- readable var _n_expr: List[AExpr] = new List[AExpr]
- readable var _n_kwend: nullable TKwend = null
+ var n_expr: ANodes[AExpr] = new ANodes[AExpr](self)
+ var _n_kwend: nullable TKwend = null
+ fun n_kwend: nullable TKwend do return _n_kwend
+ fun n_kwend=(n_kwend: nullable TKwend) do _n_kwend = n_kwend
+ init do end
end
+
+# A declaration of a local variable. eg `var x: X = y`
class AVardeclExpr
super AExpr
- readable var _n_kwvar: TKwvar
- readable var _n_id: TId
- readable var _n_type: nullable AType = null
- readable var _n_assign: nullable TAssign = null
- readable var _n_expr: nullable AExpr = null
+ var _n_kwvar: TKwvar
+ fun n_kwvar: TKwvar do return _n_kwvar
+ fun n_kwvar=(n_kwvar: TKwvar) do _n_kwvar = n_kwvar
+ var _n_id: TId
+ fun n_id: TId do return _n_id
+ fun n_id=(n_id: TId) do _n_id = n_id
+ var _n_type: nullable AType = null
+ fun n_type: nullable AType do return _n_type
+ fun n_type=(n_type: nullable AType) do _n_type = n_type
+ var _n_assign: nullable TAssign = null
+ fun n_assign: nullable TAssign do return _n_assign
+ fun n_assign=(n_assign: nullable TAssign) do _n_assign = n_assign
+
+ # The initial value, if any
+ var _n_expr: nullable AExpr = null
+ fun n_expr: nullable AExpr do return _n_expr
+ fun n_expr=(n_expr: nullable AExpr) do _n_expr = n_expr
+ init do end
end
+
+# A `return` statement. eg `return x`
class AReturnExpr
super AExpr
- readable var _n_kwreturn: nullable TKwreturn = null
- readable var _n_expr: nullable AExpr = null
+ var _n_kwreturn: nullable TKwreturn = null
+ fun n_kwreturn: nullable TKwreturn do return _n_kwreturn
+ fun n_kwreturn=(n_kwreturn: nullable TKwreturn) do _n_kwreturn = n_kwreturn
+ var _n_expr: nullable AExpr = null
+ fun n_expr: nullable AExpr do return _n_expr
+ fun n_expr=(n_expr: nullable AExpr) do _n_expr = n_expr
+ init do end
end
-class ALabelable
+
+# Something that has a label.
+abstract class ALabelable
super Prod
- readable var _n_label: nullable ALabel = null
+ var _n_label: nullable ALabel = null
+ fun n_label: nullable ALabel do return _n_label
+ fun n_label=(n_label: nullable ALabel) do _n_label = n_label
+ init do end
end
+
+# A `break` statement.
class ABreakExpr
super AExpr
super ALabelable
- readable var _n_kwbreak: TKwbreak
- readable var _n_expr: nullable AExpr = null
+ var _n_kwbreak: TKwbreak
+ fun n_kwbreak: TKwbreak do return _n_kwbreak
+ fun n_kwbreak=(n_kwbreak: TKwbreak) do _n_kwbreak = n_kwbreak
+ var _n_expr: nullable AExpr = null
+ fun n_expr: nullable AExpr do return _n_expr
+ fun n_expr=(n_expr: nullable AExpr) do _n_expr = n_expr
+ init do end
end
+
+# An `abort` statement
class AAbortExpr
super AExpr
- readable var _n_kwabort: TKwabort
+ var _n_kwabort: TKwabort
+ fun n_kwabort: TKwabort do return _n_kwabort
+ fun n_kwabort=(n_kwabort: TKwabort) do _n_kwabort = n_kwabort
+ init do end
end
+
+# A `continue` statement
class AContinueExpr
super AExpr
super ALabelable
- readable var _n_kwcontinue: nullable TKwcontinue = null
- readable var _n_expr: nullable AExpr = null
+ var _n_kwcontinue: nullable TKwcontinue = null
+ fun n_kwcontinue: nullable TKwcontinue do return _n_kwcontinue
+ fun n_kwcontinue=(n_kwcontinue: nullable TKwcontinue) do _n_kwcontinue = n_kwcontinue
+ var _n_expr: nullable AExpr = null
+ fun n_expr: nullable AExpr do return _n_expr
+ fun n_expr=(n_expr: nullable AExpr) do _n_expr = n_expr
+ init do end
end
+
+# A `do` statement
class ADoExpr
super AExpr
super ALabelable
- readable var _n_kwdo: TKwdo
- readable var _n_block: nullable AExpr = null
+ var _n_kwdo: TKwdo
+ fun n_kwdo: TKwdo do return _n_kwdo
+ fun n_kwdo=(n_kwdo: TKwdo) do _n_kwdo = n_kwdo
+ var _n_block: nullable AExpr = null
+ fun n_block: nullable AExpr do return _n_block
+ fun n_block=(n_block: nullable AExpr) do _n_block = n_block
+ init do end
end
+
+# A `if` statement
class AIfExpr
super AExpr
- readable var _n_kwif: TKwif
- readable var _n_expr: AExpr
- readable var _n_then: nullable AExpr = null
- readable var _n_else: nullable AExpr = null
+ var _n_kwif: TKwif
+ fun n_kwif: TKwif do return _n_kwif
+ fun n_kwif=(n_kwif: TKwif) do _n_kwif = n_kwif
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_then: nullable AExpr = null
+ fun n_then: nullable AExpr do return _n_then
+ fun n_then=(n_then: nullable AExpr) do _n_then = n_then
+ var _n_else: nullable AExpr = null
+ fun n_else: nullable AExpr do return _n_else
+ fun n_else=(n_else: nullable AExpr) do _n_else = n_else
+ init do end
end
+
+# A `if` expression
class AIfexprExpr
super AExpr
- readable var _n_kwif: TKwif
- readable var _n_expr: AExpr
- readable var _n_kwthen: TKwthen
- readable var _n_then: AExpr
- readable var _n_kwelse: TKwelse
- readable var _n_else: AExpr
+ var _n_kwif: TKwif
+ fun n_kwif: TKwif do return _n_kwif
+ fun n_kwif=(n_kwif: TKwif) do _n_kwif = n_kwif
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_kwthen: TKwthen
+ fun n_kwthen: TKwthen do return _n_kwthen
+ fun n_kwthen=(n_kwthen: TKwthen) do _n_kwthen = n_kwthen
+ var _n_then: AExpr
+ fun n_then: AExpr do return _n_then
+ fun n_then=(n_then: AExpr) do _n_then = n_then
+ var _n_kwelse: TKwelse
+ fun n_kwelse: TKwelse do return _n_kwelse
+ fun n_kwelse=(n_kwelse: TKwelse) do _n_kwelse = n_kwelse
+ var _n_else: AExpr
+ fun n_else: AExpr do return _n_else
+ fun n_else=(n_else: AExpr) do _n_else = n_else
+ init do end
end
+
+# A `while` statement
class AWhileExpr
super AExpr
super ALabelable
- readable var _n_kwwhile: TKwwhile
- readable var _n_expr: AExpr
- readable var _n_kwdo: TKwdo
- readable var _n_block: nullable AExpr = null
+ var _n_kwwhile: TKwwhile
+ fun n_kwwhile: TKwwhile do return _n_kwwhile
+ fun n_kwwhile=(n_kwwhile: TKwwhile) do _n_kwwhile = n_kwwhile
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_kwdo: TKwdo
+ fun n_kwdo: TKwdo do return _n_kwdo
+ fun n_kwdo=(n_kwdo: TKwdo) do _n_kwdo = n_kwdo
+ var _n_block: nullable AExpr = null
+ fun n_block: nullable AExpr do return _n_block
+ fun n_block=(n_block: nullable AExpr) do _n_block = n_block
+ init do end
end
+
+# A `loop` statement
class ALoopExpr
super AExpr
super ALabelable
- readable var _n_kwloop: TKwloop
- readable var _n_block: nullable AExpr = null
+ var _n_kwloop: TKwloop
+ fun n_kwloop: TKwloop do return _n_kwloop
+ fun n_kwloop=(n_kwloop: TKwloop) do _n_kwloop = n_kwloop
+ var _n_block: nullable AExpr = null
+ fun n_block: nullable AExpr do return _n_block
+ fun n_block=(n_block: nullable AExpr) do _n_block = n_block
+ init do end
end
+
+# A `for` statement
class AForExpr
super AExpr
super ALabelable
- readable var _n_kwfor: TKwfor
- readable var _n_ids: List[TId] = new List[TId]
- readable var _n_expr: AExpr
- readable var _n_kwdo: TKwdo
- readable var _n_block: nullable AExpr = null
+ var _n_kwfor: TKwfor
+ fun n_kwfor: TKwfor do return _n_kwfor
+ fun n_kwfor=(n_kwfor: TKwfor) do _n_kwfor = n_kwfor
+ var n_ids: ANodes[TId] = new ANodes[TId](self)
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_kwdo: TKwdo
+ fun n_kwdo: TKwdo do return _n_kwdo
+ fun n_kwdo=(n_kwdo: TKwdo) do _n_kwdo = n_kwdo
+ var _n_block: nullable AExpr = null
+ fun n_block: nullable AExpr do return _n_block
+ fun n_block=(n_block: nullable AExpr) do _n_block = n_block
+ init do end
end
+
+# An `assert` statement
class AAssertExpr
super AExpr
- readable var _n_kwassert: TKwassert
- readable var _n_id: nullable TId = null
- readable var _n_expr: AExpr
- readable var _n_else: nullable AExpr = null
+ var _n_kwassert: TKwassert
+ fun n_kwassert: TKwassert do return _n_kwassert
+ fun n_kwassert=(n_kwassert: TKwassert) do _n_kwassert = n_kwassert
+ var _n_id: nullable TId = null
+ fun n_id: nullable TId do return _n_id
+ fun n_id=(n_id: nullable TId) do _n_id = n_id
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_else: nullable AExpr = null
+ fun n_else: nullable AExpr do return _n_else
+ fun n_else=(n_else: nullable AExpr) do _n_else = n_else
+ init do end
end
-class AAssignFormExpr
+
+# Whatever is a simple assignment. eg `= something`
+abstract class AAssignFormExpr
super AExpr
- readable var _n_assign: TAssign
- readable var _n_value: AExpr
+ var _n_assign: TAssign
+ fun n_assign: TAssign do return _n_assign
+ fun n_assign=(n_assign: TAssign) do _n_assign = n_assign
+ var _n_value: AExpr
+ fun n_value: AExpr do return _n_value
+ fun n_value=(n_value: AExpr) do _n_value = n_value
+ init do end
end
-class AReassignFormExpr
+
+# Whatever is a combined assignment. eg `+= something`
+abstract class AReassignFormExpr
super AExpr
- readable var _n_assign_op: AAssignOp
- readable var _n_value: AExpr
+ var _n_assign_op: AAssignOp
+ fun n_assign_op: AAssignOp do return _n_assign_op
+ fun n_assign_op=(n_assign_op: AAssignOp) do _n_assign_op = n_assign_op
+ var _n_value: AExpr
+ fun n_value: AExpr do return _n_value
+ fun n_value=(n_value: AExpr) do _n_value = n_value
+ init do end
end
+
+# A `once` expression. eg `once x`
class AOnceExpr
super AProxyExpr
- readable var _n_kwonce: TKwonce
+ var _n_kwonce: TKwonce
+ fun n_kwonce: TKwonce do return _n_kwonce
+ fun n_kwonce=(n_kwonce: TKwonce) do _n_kwonce = n_kwonce
+ init do end
end
-class ASendExpr
+
+# A polymorphic invocation of a method
+# The form of the invocation (name, arguments, etc) are specific
+abstract class ASendExpr
super AExpr
- readable var _n_expr: AExpr
- readable var _n_closure_defs: List[AClosureDef] = new List[AClosureDef]
+ # The receiver of the method invocation
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ init do end
end
-class ABinopExpr
+
+# A binary operation on a method
+abstract class ABinopExpr
super ASendExpr
- readable var _n_expr2: AExpr
+ # The second operand of the operation
+ # Note: the receiver (`n_expr`) is the first operand
+ var _n_expr2: AExpr
+ fun n_expr2: AExpr do return _n_expr2
+ fun n_expr2=(n_expr2: AExpr) do _n_expr2 = n_expr2
+ init do end
end
-class ABoolExpr
+
+# Something that is boolean expression
+abstract class ABoolExpr
super AExpr
end
+
+# A `or` expression
class AOrExpr
super ABoolExpr
- readable var _n_expr: AExpr
- readable var _n_expr2: AExpr
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_expr2: AExpr
+ fun n_expr2: AExpr do return _n_expr2
+ fun n_expr2=(n_expr2: AExpr) do _n_expr2 = n_expr2
+ init do end
end
+
+# A `and` expression
class AAndExpr
super ABoolExpr
- readable var _n_expr: AExpr
- readable var _n_expr2: AExpr
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_expr2: AExpr
+ fun n_expr2: AExpr do return _n_expr2
+ fun n_expr2=(n_expr2: AExpr) do _n_expr2 = n_expr2
+ init do end
end
+
+# A `or else` expression
class AOrElseExpr
super ABoolExpr
- readable var _n_expr: AExpr
- readable var _n_expr2: AExpr
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_expr2: AExpr
+ fun n_expr2: AExpr do return _n_expr2
+ fun n_expr2=(n_expr2: AExpr) do _n_expr2 = n_expr2
+ init do end
end
+
+# A `implies` expression
+class AImpliesExpr
+ super ABoolExpr
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_expr2: AExpr
+ fun n_expr2: AExpr do return _n_expr2
+ fun n_expr2=(n_expr2: AExpr) do _n_expr2 = n_expr2
+ init do end
+end
+
+# A `not` expression
class ANotExpr
super ABoolExpr
- readable var _n_kwnot: TKwnot
- readable var _n_expr: AExpr
+ var _n_kwnot: TKwnot
+ fun n_kwnot: TKwnot do return _n_kwnot
+ fun n_kwnot=(n_kwnot: TKwnot) do _n_kwnot = n_kwnot
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ init do end
end
+
+# A `==` expression
class AEqExpr
super ABinopExpr
end
-class AEeExpr
- super ABoolExpr
- readable var _n_expr: AExpr
- readable var _n_expr2: AExpr
-end
+
+# A `!=` expression
class ANeExpr
super ABinopExpr
end
+
+# A `<` expression
class ALtExpr
super ABinopExpr
end
+
+# A `<=` expression
class ALeExpr
super ABinopExpr
end
+
+# A `<<` expression
class ALlExpr
super ABinopExpr
end
+
+# A `>` expression
class AGtExpr
super ABinopExpr
end
+
+# A `>=` expression
class AGeExpr
super ABinopExpr
end
+
+# A `>>` expression
class AGgExpr
super ABinopExpr
end
+
+# A type-ckeck expression. eg `x isa T`
class AIsaExpr
super ABoolExpr
- readable var _n_expr: AExpr
- readable var _n_type: AType
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_type: AType
+ fun n_type: AType do return _n_type
+ fun n_type=(n_type: AType) do _n_type = n_type
+ init do end
end
+
+# A `+` expression
class APlusExpr
super ABinopExpr
end
+
+# A `-` expression
class AMinusExpr
super ABinopExpr
end
+
+# A `<=>` expression
class AStarshipExpr
super ABinopExpr
end
+
+# A `*` expression
class AStarExpr
super ABinopExpr
end
+
+# A `/` expression
class ASlashExpr
super ABinopExpr
end
+
+# A `%` expression
class APercentExpr
super ABinopExpr
end
+
+# A unary minus expression. eg `-x`
class AUminusExpr
super ASendExpr
- readable var _n_minus: TMinus
+ var _n_minus: TMinus
+ fun n_minus: TMinus do return _n_minus
+ fun n_minus=(n_minus: TMinus) do _n_minus = n_minus
+ init do end
end
+
+# An explicit instantiation. eg `new T`
class ANewExpr
super AExpr
- readable var _n_kwnew: TKwnew
- readable var _n_type: AType
- readable var _n_id: nullable TId = null
- readable var _n_args: List[AExpr] = new List[AExpr]
+ var _n_kwnew: TKwnew
+ fun n_kwnew: TKwnew do return _n_kwnew
+ fun n_kwnew=(n_kwnew: TKwnew) do _n_kwnew = n_kwnew
+ var _n_type: AType
+ fun n_type: AType do return _n_type
+ fun n_type=(n_type: AType) do _n_type = n_type
+
+ # The name of the named-constructor, if any
+ var _n_id: nullable TId = null
+ fun n_id: nullable TId do return _n_id
+ fun n_id=(n_id: nullable TId) do _n_id = n_id
+ var _n_args: AExprs
+ fun n_args: AExprs do return _n_args
+ fun n_args=(n_args: AExprs) do _n_args = n_args
+ init do end
end
-class AAttrFormExpr
+
+# Whatever is a old-style attribute access
+abstract class AAttrFormExpr
super AExpr
- readable var _n_expr: AExpr
- readable var _n_id: TAttrid
+
+ # The receiver of the attribute
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+
+ # The name of the attribute
+ var _n_id: TAttrid
+ fun n_id: TAttrid do return _n_id
+ fun n_id=(n_id: TAttrid) do _n_id = n_id
+
+ init do end
end
+
+# The read of an attribute. eg `x._a`
class AAttrExpr
super AAttrFormExpr
end
+
+# The assignment of an attribute. eg `x._a=y`
class AAttrAssignExpr
super AAttrFormExpr
super AAssignFormExpr
end
-class ACallFormExpr
+
+# Whatever looks-like a call with a standard method and any number of arguments.
+abstract class ACallFormExpr
super ASendExpr
- readable var _n_id: TId
- readable var _n_args: List[AExpr] = new List[AExpr]
+
+ # The name of the method
+ var _n_id: TId
+ fun n_id: TId do return _n_id
+ fun n_id=(n_id: TId) do _n_id = n_id
+
+ # The arguments of the call
+ var _n_args: AExprs
+ fun n_args: AExprs do return _n_args
+ fun n_args=(n_args: AExprs) do _n_args = n_args
+ init do end
end
+
+# A complex setter call (standard or brackets)
+abstract class ASendReassignFormExpr
+ super ASendExpr
+ super AReassignFormExpr
+end
+
+# A complex attribute assignment. eg `x._a+=y`
class AAttrReassignExpr
- super AExpr
super AAttrFormExpr
super AReassignFormExpr
end
+
+# A call with a standard method-name and any number of arguments. eg `x.m(y)`. OR just a simple id
+# Note: because the parser cannot distinguish a variable read with a method call with an implicit receiver and no arguments, it always returns a `ACallExpr`.
+# Semantic analysis have to transform them to instance of `AVarExpr`.
class ACallExpr
super ACallFormExpr
end
+
+# A setter call with a standard method-name and any number of arguments. eg `x.m(y)=z`. OR just a simple assignment.
+# Note: because the parser cannot distinguish a variable write with a setter call with an implicit receiver and no arguments, it always returns a `ACallAssignExpr`.
+# Semantic analysis have to transform them to instance of `AVarAssignExpr`.
class ACallAssignExpr
super ACallFormExpr
super AAssignFormExpr
end
+
+# A complex setter call with a standard method-name and any number of arguments. eg `x.m(y)+=z`. OR just a simple complex assignment.
+# Note: because the parser cannot distinguish a variable write with a compex setter call with an implicit receiver and no arguments, it always returns a `ACallReassignExpr`.
+# Semantic analysis have to transform them to instance of `AVarReassignExpr`.
class ACallReassignExpr
- super AExpr
super ACallFormExpr
- super AReassignFormExpr
+ super ASendReassignFormExpr
end
+
+# A call to `super`. OR a call of a super-constructor
class ASuperExpr
super AExpr
- readable var _n_qualified: nullable AQualified = null
- readable var _n_kwsuper: TKwsuper
- readable var _n_args: List[AExpr] = new List[AExpr]
+ var _n_qualified: nullable AQualified = null
+ fun n_qualified: nullable AQualified do return _n_qualified
+ fun n_qualified=(n_qualified: nullable AQualified) do _n_qualified = n_qualified
+ var _n_kwsuper: TKwsuper
+ fun n_kwsuper: TKwsuper do return _n_kwsuper
+ fun n_kwsuper=(n_kwsuper: TKwsuper) do _n_kwsuper = n_kwsuper
+ var _n_args: AExprs
+ fun n_args: AExprs do return _n_args
+ fun n_args=(n_args: AExprs) do _n_args = n_args
+ init do end
end
+
+# A call to the `init` constructor.
+# Note: because `init` is a keyword and not a `TId`, the explicit call to init cannot be a ACallFormExpr.
class AInitExpr
super ASendExpr
- readable var _n_kwinit: TKwinit
- readable var _n_args: List[AExpr] = new List[AExpr]
+ var _n_kwinit: TKwinit
+ fun n_kwinit: TKwinit do return _n_kwinit
+ fun n_kwinit=(n_kwinit: TKwinit) do _n_kwinit = n_kwinit
+ var _n_args: AExprs
+ fun n_args: AExprs do return _n_args
+ fun n_args=(n_args: AExprs) do _n_args = n_args
+ init do end
end
-class ABraFormExpr
+
+# Whatever looks-like a call of the brackets `[]` operator.
+abstract class ABraFormExpr
super ASendExpr
- readable var _n_args: List[AExpr] = new List[AExpr]
+ var _n_args: AExprs
+ fun n_args: AExprs do return _n_args
+ fun n_args=(n_args: AExprs) do _n_args = n_args
+ init do end
end
+
+# A call of the brackets operator. eg `x[y,z]`
class ABraExpr
super ABraFormExpr
end
+
+# A setter call of the bracket operator. eg `x[y,z]=t`
class ABraAssignExpr
super ABraFormExpr
super AAssignFormExpr
end
-class AVarFormExpr
+
+# Whatever is an access to a local variable
+abstract class AVarFormExpr
super AExpr
- readable var _n_id: TId
+ var _n_id: TId
+ fun n_id: TId do return _n_id
+ fun n_id=(n_id: TId) do _n_id = n_id
+ init do end
end
+
+# A complex setter call of the bracket operator. eg `x[y,z]+=t`
class ABraReassignExpr
super ABraFormExpr
- super AReassignFormExpr
-end
-class AClosureCallExpr
- super AExpr
- readable var _n_id: TId
- readable var _n_args: List[AExpr] = new List[AExpr]
- readable var _n_closure_defs: List[AClosureDef] = new List[AClosureDef]
+ super ASendReassignFormExpr
end
+
+# A local variable read access.
+# The parser cannot instantiate them, see `ACallExpr`.
class AVarExpr
super AVarFormExpr
end
+
+# A local variable simple assigment access
+# The parser cannot instantiate them, see `ACallAssignExpr`.
class AVarAssignExpr
super AVarFormExpr
super AAssignFormExpr
end
+
+# A local variable complex assignment access
+# The parser cannot instantiate them, see `ACallReassignExpr`.
class AVarReassignExpr
super AVarFormExpr
super AReassignFormExpr
end
-class ARangeExpr
+
+# A literal range, open or closed
+abstract class ARangeExpr
super AExpr
- readable var _n_expr: AExpr
- readable var _n_expr2: AExpr
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_expr2: AExpr
+ fun n_expr2: AExpr do return _n_expr2
+ fun n_expr2=(n_expr2: AExpr) do _n_expr2 = n_expr2
+ init do end
end
+
+# A closed literal range. eg `[x..y]`
class ACrangeExpr
super ARangeExpr
- readable var _n_obra: TObra
- readable var _n_cbra: TCbra
+ var _n_obra: TObra
+ fun n_obra: TObra do return _n_obra
+ fun n_obra=(n_obra: TObra) do _n_obra = n_obra
+ var _n_cbra: TCbra
+ fun n_cbra: TCbra do return _n_cbra
+ fun n_cbra=(n_cbra: TCbra) do _n_cbra = n_cbra
+ init do end
end
+
+# An open literal range. eg `[x..y[`
class AOrangeExpr
super ARangeExpr
- readable var _n_obra: TObra
- readable var _n_cbra: TObra
+ var _n_obra: TObra
+ fun n_obra: TObra do return _n_obra
+ fun n_obra=(n_obra: TObra) do _n_obra = n_obra
+ var _n_cbra: TObra
+ fun n_cbra: TObra do return _n_cbra
+ fun n_cbra=(n_cbra: TObra) do _n_cbra = n_cbra
+ init do end
end
+
+# A literal array. eg. `[x,y,z]`
class AArrayExpr
super AExpr
- readable var _n_exprs: List[AExpr] = new List[AExpr]
+ var _n_exprs: AExprs
+ fun n_exprs: AExprs do return _n_exprs
+ fun n_exprs=(n_exprs: AExprs) do _n_exprs = n_exprs
+ init do end
end
+
+# A read of `self`
class ASelfExpr
super AExpr
- readable var _n_kwself: nullable TKwself
+ var _n_kwself: nullable TKwself
+ fun n_kwself: nullable TKwself do return _n_kwself
+ fun n_kwself=(n_kwself: nullable TKwself) do _n_kwself = n_kwself
+ init do end
end
+
+# When there is no explicit receiver, `self` is implicit
class AImplicitSelfExpr
super ASelfExpr
end
+
+# A `true` boolean literal constant
class ATrueExpr
super ABoolExpr
- readable var _n_kwtrue: TKwtrue
+ var _n_kwtrue: TKwtrue
+ fun n_kwtrue: TKwtrue do return _n_kwtrue
+ fun n_kwtrue=(n_kwtrue: TKwtrue) do _n_kwtrue = n_kwtrue
+ init do end
end
+# A `false` boolean literal constant
class AFalseExpr
super ABoolExpr
- readable var _n_kwfalse: TKwfalse
+ var _n_kwfalse: TKwfalse
+ fun n_kwfalse: TKwfalse do return _n_kwfalse
+ fun n_kwfalse=(n_kwfalse: TKwfalse) do _n_kwfalse = n_kwfalse
+ init do end
end
+# A `null` literal constant
class ANullExpr
super AExpr
- readable var _n_kwnull: TKwnull
+ var _n_kwnull: TKwnull
+ fun n_kwnull: TKwnull do return _n_kwnull
+ fun n_kwnull=(n_kwnull: TKwnull) do _n_kwnull = n_kwnull
+ init do end
end
+# An integer literal
class AIntExpr
super AExpr
- readable var _n_number: TNumber
end
+# An integer literal in decimal format
+class ADecIntExpr
+ super AIntExpr
+ var _n_number: TNumber
+ fun n_number: TNumber do return _n_number
+ fun n_number=(n_number: TNumber) do _n_number = n_number
+ init do end
+end
+# An integer literal in hexadecimal format
+class AHexIntExpr
+ super AIntExpr
+ var _n_hex_number: THexNumber
+ fun n_hex_number: THexNumber do return _n_hex_number
+ fun n_hex_number=(n_hex_number: THexNumber) do _n_hex_number = n_hex_number
+ init do end
+end
+# A float literal
class AFloatExpr
super AExpr
- readable var _n_float: TFloat
+ var _n_float: TFloat
+ fun n_float: TFloat do return _n_float
+ fun n_float=(n_float: TFloat) do _n_float = n_float
+ init do end
end
+# A character literal
class ACharExpr
super AExpr
- readable var _n_char: TChar
+ var _n_char: TChar
+ fun n_char: TChar do return _n_char
+ fun n_char=(n_char: TChar) do _n_char = n_char
+ init do end
end
-class AStringFormExpr
+# A string literal
+abstract class AStringFormExpr
super AExpr
+ var _n_string: Token
+ fun n_string: Token do return _n_string
+ fun n_string=(n_string: Token) do _n_string = n_string
+ init do end
end
+
+# A simple string. eg. `"abc"`
class AStringExpr
super AStringFormExpr
- readable var _n_string: TString
end
+
+# The start of a superstring. eg `"abc{`
class AStartStringExpr
super AStringFormExpr
- readable var _n_string: TStartString
end
+
+# The middle of a superstring. eg `}abc{`
class AMidStringExpr
super AStringFormExpr
- readable var _n_string: TMidString
end
+
+# The end of a superstrng. eg `}abc"`
class AEndStringExpr
super AStringFormExpr
- readable var _n_string: TEndString
end
+
+# A superstring literal. eg `"a{x}b{y}c"`
+# Each part is modelized a sequence of expression. eg. `["a{, x, }b{, y, }c"]`
class ASuperstringExpr
super AExpr
- readable var _n_exprs: List[AExpr] = new List[AExpr]
+ var n_exprs: ANodes[AExpr] = new ANodes[AExpr](self)
+ init do end
end
+
+# A simple parenthesis. eg `(x)`
class AParExpr
super AProxyExpr
- readable var _n_opar: TOpar
- readable var _n_cpar: TCpar
+ var _n_opar: TOpar
+ fun n_opar: TOpar do return _n_opar
+ fun n_opar=(n_opar: TOpar) do _n_opar = n_opar
+ var _n_cpar: TCpar
+ fun n_cpar: TCpar do return _n_cpar
+ fun n_cpar=(n_cpar: TCpar) do _n_cpar = n_cpar
+ init do end
end
-class AProxyExpr
+
+# Whatevej just contains (and mimic) an other expression
+abstract class AProxyExpr
super AExpr
- readable var _n_expr: AExpr
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ init do end
end
+
+# A type cast. eg `x.as(T)`
class AAsCastExpr
super AExpr
- readable var _n_expr: AExpr
- readable var _n_kwas: TKwas
- readable var _n_opar: TOpar
- readable var _n_type: AType
- readable var _n_cpar: TCpar
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_kwas: TKwas
+ fun n_kwas: TKwas do return _n_kwas
+ fun n_kwas=(n_kwas: TKwas) do _n_kwas = n_kwas
+ var _n_opar: nullable TOpar = null
+ fun n_opar: nullable TOpar do return _n_opar
+ fun n_opar=(n_opar: nullable TOpar) do _n_opar = n_opar
+ var _n_type: AType
+ fun n_type: AType do return _n_type
+ fun n_type=(n_type: AType) do _n_type = n_type
+ var _n_cpar: nullable TCpar = null
+ fun n_cpar: nullable TCpar do return _n_cpar
+ fun n_cpar=(n_cpar: nullable TCpar) do _n_cpar = n_cpar
+ init do end
end
+
+# A as-not-null cast. eg `x.as(not null)`
class AAsNotnullExpr
super AExpr
- readable var _n_expr: AExpr
- readable var _n_kwas: TKwas
- readable var _n_opar: TOpar
- readable var _n_kwnot: TKwnot
- readable var _n_kwnull: TKwnull
- readable var _n_cpar: TCpar
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_kwas: TKwas
+ fun n_kwas: TKwas do return _n_kwas
+ fun n_kwas=(n_kwas: TKwas) do _n_kwas = n_kwas
+ var _n_opar: nullable TOpar = null
+ fun n_opar: nullable TOpar do return _n_opar
+ fun n_opar=(n_opar: nullable TOpar) do _n_opar = n_opar
+ var _n_kwnot: TKwnot
+ fun n_kwnot: TKwnot do return _n_kwnot
+ fun n_kwnot=(n_kwnot: TKwnot) do _n_kwnot = n_kwnot
+ var _n_kwnull: TKwnull
+ fun n_kwnull: TKwnull do return _n_kwnull
+ fun n_kwnull=(n_kwnull: TKwnull) do _n_kwnull = n_kwnull
+ var _n_cpar: nullable TCpar = null
+ fun n_cpar: nullable TCpar do return _n_cpar
+ fun n_cpar=(n_cpar: nullable TCpar) do _n_cpar = n_cpar
+ init do end
end
+
+# A is-set check of old-style attributes. eg `isset x._a`
class AIssetAttrExpr
super AAttrFormExpr
- readable var _n_kwisset: TKwisset
+ var _n_kwisset: TKwisset
+ fun n_kwisset: TKwisset do return _n_kwisset
+ fun n_kwisset=(n_kwisset: TKwisset) do _n_kwisset = n_kwisset
+ init do end
end
-class AAssignOp super Prod end
-class APlusAssignOp
- super AAssignOp
- readable var _n_pluseq: TPluseq
+
+# A list of expression separated with commas (arguments for instance)
+abstract class AExprs
+ super Prod
+ var n_exprs: ANodes[AExpr] = new ANodes[AExpr](self)
+ init do end
end
-class AMinusAssignOp
- super AAssignOp
- readable var _n_minuseq: TMinuseq
+
+class ADebugTypeExpr
+ super AExpr
+ var _n_kwdebug: TKwdebug
+ fun n_kwdebug: TKwdebug do return _n_kwdebug
+ fun n_kwdebug=(n_kwdebug: TKwdebug) do _n_kwdebug = n_kwdebug
+ var _n_kwtype: TKwtype
+ fun n_kwtype: TKwtype do return _n_kwtype
+ fun n_kwtype=(n_kwtype: TKwtype) do _n_kwtype = n_kwtype
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ var _n_type: AType
+ fun n_type: AType do return _n_type
+ fun n_type=(n_type: AType) do _n_type = n_type
+ init do end
end
-class AClosureDef
- super ALabelable
- readable var _n_bang: TBang
- readable var _n_id: AClosureId
- readable var _n_ids: List[TId] = new List[TId]
- readable var _n_kwdo: nullable TKwdo = null
- readable var _n_expr: nullable AExpr = null
- redef fun hot_location do return n_id.location
-end
-class AClosureId
+
+# A simple list of expressions
+class AListExprs
+ super AExprs
+end
+
+# A list of expressions enclosed in parentheses
+class AParExprs
+ super AExprs
+ var _n_opar: TOpar
+ fun n_opar: TOpar do return _n_opar
+ fun n_opar=(n_opar: TOpar) do _n_opar = n_opar
+ var _n_cpar: TCpar
+ fun n_cpar: TCpar do return _n_cpar
+ fun n_cpar=(n_cpar: TCpar) do _n_cpar = n_cpar
+ init do end
+end
+
+# A list of expressions enclosed in brackets
+class ABraExprs
+ super AExprs
+ var _n_obra: TObra
+ fun n_obra: TObra do return _n_obra
+ fun n_obra=(n_obra: TObra) do _n_obra = n_obra
+ var _n_cbra: TCbra
+ fun n_cbra: TCbra do return _n_cbra
+ fun n_cbra=(n_cbra: TCbra) do _n_cbra = n_cbra
+ init do end
+end
+
+# A complex assignment operator. eg `+=`
+abstract class AAssignOp
super Prod
end
-class ASimpleClosureId
- super AClosureId
- readable var _n_id: TId
+class APlusAssignOp
+ super AAssignOp
+ var _n_pluseq: TPluseq
+ fun n_pluseq: TPluseq do return _n_pluseq
+ fun n_pluseq=(n_pluseq: TPluseq) do _n_pluseq = n_pluseq
+ init do end
end
-class ABreakClosureId
- super AClosureId
- readable var _n_kwbreak: TKwbreak
+class AMinusAssignOp
+ super AAssignOp
+ var _n_minuseq: TMinuseq
+ fun n_minuseq: TMinuseq do return _n_minuseq
+ fun n_minuseq=(n_minuseq: TMinuseq) do _n_minuseq = n_minuseq
+ init do end
end
+
class AModuleName
-special Prod
- readable var _n_quad: nullable TQuad = null
- readable var _n_path: List[TId] = new List[TId]
- readable var _n_id: TId
+ super Prod
+ var _n_quad: nullable TQuad = null
+ fun n_quad: nullable TQuad do return _n_quad
+ fun n_quad=(n_quad: nullable TQuad) do _n_quad = n_quad
+ var n_path: ANodes[TId] = new ANodes[TId](self)
+ var _n_id: TId
+ fun n_id: TId do return _n_id
+ fun n_id=(n_id: TId) do _n_id = n_id
+ init do end
+end
+class AInLanguage
+ super Prod
+ var _n_kwin: TKwin
+ fun n_kwin: TKwin do return _n_kwin
+ fun n_kwin=(n_kwin: TKwin) do _n_kwin = n_kwin
+ var _n_string: TString
+ fun n_string: TString do return _n_string
+ fun n_string=(n_string: TString) do _n_string = n_string
+ init do end
+end
+class AExternCodeBlock
+ super Prod
+ var _n_in_language: nullable AInLanguage = null
+ fun n_in_language: nullable AInLanguage do return _n_in_language
+ fun n_in_language=(n_in_language: nullable AInLanguage) do _n_in_language = n_in_language
+ var _n_extern_code_segment: TExternCodeSegment
+ fun n_extern_code_segment: TExternCodeSegment do return _n_extern_code_segment
+ fun n_extern_code_segment=(n_extern_code_segment: TExternCodeSegment) do _n_extern_code_segment = n_extern_code_segment
+ init do end
end
class AQualified
super Prod
- readable var _n_quad: nullable TQuad = null
- readable var _n_id: List[TId] = new List[TId]
- readable var _n_classid: nullable TClassid = null
+ var _n_quad: nullable TQuad = null
+ fun n_quad: nullable TQuad do return _n_quad
+ fun n_quad=(n_quad: nullable TQuad) do _n_quad = n_quad
+ var n_id: ANodes[TId] = new ANodes[TId](self)
+ var _n_classid: nullable TClassid = null
+ fun n_classid: nullable TClassid do return _n_classid
+ fun n_classid=(n_classid: nullable TClassid) do _n_classid = n_classid
+ init do end
end
+
+# A documentation of a definition
+# It contains the block of comments just above the declaration
class ADoc
super Prod
- readable var _n_comment: List[TComment] = new List[TComment]
+ var n_comment: ANodes[TComment] = new ANodes[TComment](self)
+ init do end
+end
+
+class AAnnotations
+ super Prod
+ var _n_at: nullable TAt = null
+ fun n_at: nullable TAt do return _n_at
+ fun n_at=(n_at: nullable TAt) do _n_at = n_at
+ var _n_opar: nullable TOpar = null
+ fun n_opar: nullable TOpar do return _n_opar
+ fun n_opar=(n_opar: nullable TOpar) do _n_opar = n_opar
+ var n_items: ANodes[AAnnotation] = new ANodes[AAnnotation](self)
+ var _n_cpar: nullable TCpar = null
+ fun n_cpar: nullable TCpar do return _n_cpar
+ fun n_cpar=(n_cpar: nullable TCpar) do _n_cpar = n_cpar
+ init do end
+end
+class AAnnotation
+ super Prod
+ var _n_atid: AAtid
+ fun n_atid: AAtid do return _n_atid
+ fun n_atid=(n_atid: AAtid) do _n_atid = n_atid
+ var _n_opar: nullable TOpar = null
+ fun n_opar: nullable TOpar do return _n_opar
+ fun n_opar=(n_opar: nullable TOpar) do _n_opar = n_opar
+ var n_args: ANodes[AAtArg] = new ANodes[AAtArg](self)
+ var _n_cpar: nullable TCpar = null
+ fun n_cpar: nullable TCpar do return _n_cpar
+ fun n_cpar=(n_cpar: nullable TCpar) do _n_cpar = n_cpar
+ init do end
+end
+abstract class AAtArg
+ super Prod
+end
+class ATypeAtArg
+ super AAtArg
+ var _n_type: AType
+ fun n_type: AType do return _n_type
+ fun n_type=(n_type: AType) do _n_type = n_type
+ init do end
+end
+class AExprAtArg
+ super AAtArg
+ var _n_expr: AExpr
+ fun n_expr: AExpr do return _n_expr
+ fun n_expr=(n_expr: AExpr) do _n_expr = n_expr
+ init do end
+end
+class AAtAtArg
+ super AAtArg
+end
+abstract class AAtid
+ super Prod
+ var _n_id: Token
+ fun n_id: Token do return _n_id
+ fun n_id=(n_id: Token) do _n_id = n_id
+ init do end
+end
+class AIdAtid
+ super AAtid
+end
+class AKwexternAtid
+ super AAtid
+end
+class AKwinternAtid
+ super AAtid
+end
+class AKwreadableAtid
+ super AAtid
+end
+class AKwwritableAtid
+ super AAtid
+end
+class AKwimportAtid
+ super AAtid
end
+# The root of the AST
class Start
super Prod
- readable var _n_base: nullable AModule
- readable var _n_eof: EOF
+ var _n_base: nullable AModule
+ fun n_base: nullable AModule do return _n_base
+ fun n_base=(n_base: nullable AModule) do _n_base = n_base
+ var _n_eof: EOF
+ fun n_eof: EOF do return _n_eof
+ fun n_eof=(n_eof: EOF) do _n_eof = n_eof
+ init(n_base: nullable AModule, n_eof: EOF)
+ do
+ self._n_base = n_base
+ self._n_eof = n_eof
+ end
end